#422A7D
Closest named color: Dark Slate Blue (#483D8B). oklch(36.4% 0.134 291.7), rgb(66, 42, 125).
Aa
White text reads best on this color (11.29:1).
About this color
#422A7D is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.134 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.053 away. White text reads best on it, at 11.29:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.85:1 |
| White text | 11.29:1 |
Values
| HEX | #422A7D |
| RGB | rgb(66, 42, 125) |
| HSL | hsl(257, 50%, 33%) |
| OKLCH | oklch(36.4% 0.134 291.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #422A7D | 11.29:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #422A7D | 1.85:1 | Fails | Lc 8.3 | Not readable |
| #422A7D text on white | 11.29:1 | AAA | Lc 95.6 | Preferred for body text |
| #422A7D text on black | 1.85:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#D9D3FC
oklch(88.5% 0.056 291.9)
-
Step 300
300
#C1B5FD
oklch(80.9% 0.101 291.6)
-
Step 400
400
#A38BFB
oklch(70.6% 0.16 291.6)
-
Step 500
500
#8F69F9
oklch(63.1% 0.206 291.6)
-
Step 600
600
#7B4BE7
oklch(55.6% 0.222 291.6)
-
Step 700
700
#683AC9
oklch(49% 0.207 291.6)
-
Step 800
800
#5532A3
oklch(42.8% 0.172 291.7)
-
Step 900
900 (this color)
#422A7D
oklch(36.4% 0.134 291.7)
-
Step 950
950
#281C4C
oklch(27% 0.085 291.2)
#422A7D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #003C80 | 0.079 |
| Deuteranopia (no green cones) | #00397B | 0.079 |
| Tritanopia (no blue cones) | #303E4F | 0.108 |
| Achromatopsia (no color) | #3A3A3A | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #422A7D
#422A7D
oklch(36.4% 0.134 291.7)
- #404200
#404200
oklch(36.5% 0.081 111.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #422A7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.053
- Indigo #4B0082 ΔE 0.059
- Blueberry #464196 ΔE 0.068
- Royal Purple #4B006E ΔE 0.070
- Imperial Purple #480CA8 ΔE 0.079
- Twilight Blue #0A437A ΔE 0.086
- Rebecca Purple #663399 ΔE 0.086
- Cobalt #1E488F ΔE 0.087
Use #422A7D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.